Research Article

Association between Neutrophil Levels on Admission and All-Cause Mortality in Geriatric Patients with Hip Fractures: A Prospective Cohort Study of 2,589 Patients

Table 5

Propensity score parameter list.

The variables used in calculating the propensity scoreAge, sex, injury mechanism, fracture classification, aCCI, hypertension, CHD, arrhythmia, ischemic stroke, cancer, dementia, COPD, hepatitis, time to admission and operation, treatment strategy, operation time, and infusion

Propensity score algorithmCox regression model
C-statistical0.7044
Matching methodGreedy matching within specified caliper distances
Metric distances0.05
Matching ratio1 : 1
Use of replacementWith replacement

Matching sample sizeNo. of death = 1 : 700 cases
No. of alive = 1 : 700 cases
Total 1400 cases